$OpenBSD: patch-jbig2_image_png_c,v 1.1 2011/07/08 20:38:00 naddy Exp $

Fix build with png-1.5.

--- jbig2_image_png.c.orig	Thu Jul  7 08:44:06 2011
+++ jbig2_image_png.c	Thu Jul  7 08:48:07 2011
@@ -33,7 +33,7 @@ jbig2_png_write_data(png_structp png_ptr, png_bytep da
 {
     png_size_t check;
 
-    check = fwrite(data, 1, length, (png_FILE_p)png_ptr->io_ptr);
+    check = fwrite(data, 1, length, (png_FILE_p)png_get_io_ptr(png_ptr));
     if (check != length) {
       png_error(png_ptr, "Write Error");
     }
@@ -43,7 +43,7 @@ static void
 jbig2_png_flush(png_structp png_ptr)
 {
     png_FILE_p io_ptr;
-    io_ptr = (png_FILE_p)CVT_PTR((png_ptr->io_ptr));
+    io_ptr = (png_FILE_p)png_get_io_ptr(png_ptr);
     if (io_ptr != NULL)
         fflush(io_ptr);
 }
